What does SAP stands for â SAP stands for Systems, Applications and Products in data processing. 1  SAP is the fourth largest software company in the world. 2  The SAP R/3 system is a business software package designed to integrate all areas of a business.
Most of this emitted radiation is at longer wavelengths than solar radiation. Unlike solar radiation, which is mostly at wavelengths visible to the human eye, the Earth's longwave radiation is mostly at infrared wavelengths, which are invisible to the human eye.
Types of radiation emitted by the Sun and Earth - A comparison Source: Earthguide. Coming soon! 1  The sun emits mostly visible light.  Visible light, or the colors that we see are parts of the electromagnetic radiation spectrum.